When is the best time to visit Istanbul?
- The best time for a sunbathing holiday is June, July, August. Average maximum temperatures are up to +28°C in August and it has 25 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during May - October.
- If you want to avoid wet weather, then your choice is January, February, December with the lowest chance of rain.
Average weather in Istanbul in different months
In June, July, August, September the weather is great. There are an average of 25 sunny days in July and the temperature ranges from +21°C to +27°C.
March, April, May, October, November usually has good weather. Average maximum temperature reaches +20°C during May.
In January, February, December the weather is average. Expect around 19 rainy days, and the precipitation amounts to approximately 80 mm in December.
Climate in Istanbul
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +19°C | +23°C | +25°C | +28°C | +34°C | +37°C | +36°C | +35°C | +36°C | +31°C | +25°C | +24°C |
| Average Maximum Temperature | |||||||||||
| +8°C | +9°C | +11°C | +15°C | +20°C | +25°C | +27°C | +28°C | +24°C | +19°C | +14°C | +11°C |
| Minimum Temperature | |||||||||||
| -8°C | -5°C | -4°C | +1°C | +6°C | +11°C | +15°C | +16°C | +12°C | +5°C | +1°C | -2°C |
| Humidity, % | |||||||||||
| 76 | 75 | 72 | 69 | 68 | 65 | 63 | 65 | 66 | 72 | 74 | 75 |
| Rain, mm | |||||||||||
| 67 | 51 | 53 | 39 | 26 | 24 | 18 | 14 | 31 | 58 | 65 | 80 |
| Snow, mm | |||||||||||
| 8 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Average wind speed, m/s | |||||||||||
| 4 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 |
| Sunny Days | |||||||||||
| 7 | 7 | 10 | 13 | 17 | 21 | 25 | 25 | 19 | 13 | 10 | 7 |
| Cloud Days | |||||||||||
| 17 | 15 | 16 | 12 | 11 | 6 | 4 | 4 | 8 | 13 | 14 | 16 |
| Rainy Days | |||||||||||
| 6 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 3 | 5 | 6 | 8 |
| Snowy Days | |||||||||||
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Humidity
Rain
Snow
FAQ
What is the hottest month in Istanbul?
What is the coldest month in Istanbul?
Is Istanbul worth visiting in winter?
When does it rain the least in Istanbul?
Other cities in Turkey
Monthly weather in Istanbul
Source of the data
For this page, we’ve looked at the typical weather in Istanbul, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.